Ubuntu desktop RAID1 boot problem. Post: 302977231

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Operating Systems Linux Ubuntu Ubuntu desktop RAID1 boot problem. Post 302977231 by Reol on Thursday 14th of July 2016 04:57:55 PM

07-14-2016

Registered User

Finally got the RAID1 working.

Hi, just let you know and if someone stumbles in same problem i was able to fix the problem by following measures:

So firstly in busybox i was able to boot while degraded by entering these commands.

Code:

 
(initramfs): mdadm --run /dev/md0
(initramfs): mdadm --run /dev/md1
(initramfs): exit

And to automate the boot when degraded by creating a file /usr/share/initramfs-tools/scripts/local-top/mdadm adding the following to the file:

Code:

patch --verbose --ignore-whitespace <<'EndOfPatch'
--- mdadm
+++ mdadm
@@ -76,7 +76,15 @@
   if $MDADM --assemble --scan --run --auto=yes${extra_args:+ $extra_args}; then
     verbose && log_success_msg "assembled all arrays."
   else
-    log_failure_msg "failed to assemble all arrays."
+    log_warning_msg "failed to assemble all arrays...attempting individual starts"
+    for dev in $(cat /proc/mdstat | grep md | cut -d ' ' -f 1); do
+      log_begin_msg "attempting mdadm --run $dev"
+      if $MDADM --run $dev; then
+        verbose && log_success_msg "started $dev"
+      else
+        log_failure_msg "failed to start $dev"
+      fi
+    done
   fi
   verbose && log_end_msg

EndOfPatch

Then update initrafms with command:
update-initramfs -u

Reol

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pbuilder-dist-simple

PBUILDER-DIST-SIMPLE(1) 				      General Commands Manual					   PBUILDER-DIST-SIMPLE(1)

NAME

       pbuilder-dist-simple - simple multi-release pbuilder wrapper

SYNOPSIS

       pbuilder-<dist> operation [...]

DESCRIPTION

       pbuilder-dist-simple  is  a  wrapper  that makes it easy to use pbuilder with chroots for many different Ubuntu distributions.  If you need
       more features than pbuilder-dist-simple provides, have a look at pbuilder-dist(1).

USAGE

       Create one symlink to pbuilder-dist-simple for each distribution for which you want a build environment, naming them like "pbuilder-lucid",
       "pbuilder-natty", etc.

       Replace operation with the action you want pbuilder-dist-simple to do (create, update, build, clean, login or execute).

EXAMPLES

       pbuilder-natty create
	      Creates a pbuilder environment for Ubuntu Natty.

       pbuilder-lucid update
	      Updates an existing Ubuntu Lucid environment.

       pbuilder-lucid build ./sample_1.0-0ubuntu1.dsc
	      Builds the specified package on an already existing Ubuntu Lucid environment.

FILES

       By default, pbuilder-dist-simple will store all the files it generates in ~/pbuilder/.  This can be changed by modifying the BASE_DIR value
       on the top of the script to any other directory you want.  If the directory doesn't exit, it will be created at runtime.

SEE ALSO

       pbuilder(1), pbuilderrc(5), pbuilder-dist(1)

AUTHORS

       pbuilder-dist was originally written by Jamin W. Collins <jcollins@asgardsrealm.net> and Jordan Mantha <mantha@ubuntu.com>, and	this  man-
       page by Siegfried-A. Gevatter <rainct@ubuntu.com>.

       Both are released under the GNU General Public License, version 2 or later.

ubuntu-dev-tools						 February 25, 2008					   PBUILDER-DIST-SIMPLE(1)